Abstract
Cleavage and polyadenylation specificity factor 1 (CPSF1), a member of CPSF complex, has been reported to play a key role in pre-mRNA 3′-end formation, but its possible role in ovarian cancer remains unclear. In the present study, we found the mRNA level of CPSF1 was overexpressed in ovarian cancer tissues using Oncomine Cancer Microarray database. Then the loss-of-function assays, including CCK-8, colony formation and flow cytometry assays, were performed to determine the effects of CPSF1 on cell viability, proliferation, cell cycle and apoptosis of human ovarian cancer cell lines (SKOV-3 and OVCAR-3). The results indicated that depletion of CPSF1 suppressed cell viability, impaired colony formation ability, induced cell cycle arrest at G0/G1 phase and promoted cell apoptosis in ovarian cancer cells. Furthermore, knockdown of CPSF1 upregulated the expression of cleaved caspase-3 and PARP and downregulated CDK4/cyclin D1 expression. These data suggested that CPSF1 could promote ovarian cancer cell growth and proliferation in vitro and its depletion might serve as a potential therapeutic target for human ovarian cancer.
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Zhang, B., Liu, Y., Liu, D. et al. Targeting cleavage and polyadenylation specific factor 1 via shRNA inhibits cell proliferation in human ovarian cancer. J Biosci 42, 417–425 (2017). https://doi.org/10.1007/s12038-017-9701-x
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DOI: https://doi.org/10.1007/s12038-017-9701-x